diff --git a/apps/ai-game-creator-shell/src-tauri/src/agent/direct_tool_bridge.rs b/apps/ai-game-creator-shell/src-tauri/src/agent/direct_tool_bridge.rs
index 1755adff8..31cd98b59 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/agent/direct_tool_bridge.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/agent/direct_tool_bridge.rs
@@ -2568,15 +2568,14 @@ async fn remove_background_payload(
         return Err(RemoveBackgroundError::DuplicatePendingOperations);
     }
     let completed = if let Some(pending) = matching_pending.into_iter().next() {
-        // 资源编辑的 future 很大；装箱后只留一个指针进 `handle_direct_tool_bridge` 的状态机，
-        // 避免把调试测试线程的默认栈顶穿。
-        Box::pin(with_direct_editor_api_credentials_as(
-            resume_local_project_resource_edit_typed(ResumeLocalProjectResourceEditInput {
+        // 资源编辑的 future 很大，装箱避免顶穿 `handle_direct_tool_bridge` 的调试测试线程栈；
+        // 凭据作用域由外层 `with_direct_editor_api_credentials` 覆盖，这里不再套一层。
+        Box::pin(resume_local_project_resource_edit_typed(
+            ResumeLocalProjectResourceEditInput {
                 project_path: state.root.to_string_lossy().into_owned(),
                 expected_project_id: manifest.project_id.clone(),
                 operation_id: pending.operation_id,
-            }),
-            ResourceEditError::Other,
+            },
         ))
         .await
         .map_err(RemoveBackgroundError::from_resource_edit_error)?
@@ -2610,14 +2609,11 @@ async fn remove_background_payload(
             background_mode: Some(input.background_mode.clone()),
             screen_color: input.screen_color.clone(),
         };
-        // 资源编辑的 future 很大；装箱后只留一个指针进 `handle_direct_tool_bridge` 的状态机，
-        // 避免把调试测试线程的默认栈顶穿。
-        Box::pin(with_direct_editor_api_credentials_as(
-            derive_local_project_resource_typed(request),
-            ResourceEditError::Other,
-        ))
-        .await
-        .map_err(RemoveBackgroundError::from_resource_edit_error)?
+        // 资源编辑的 future 很大，装箱避免顶穿 `handle_direct_tool_bridge` 的调试测试线程栈；
+        // 凭据作用域由外层 `with_direct_editor_api_credentials` 覆盖，这里不再套一层。
+        Box::pin(derive_local_project_resource_typed(request))
+            .await
+            .map_err(RemoveBackgroundError::from_resource_edit_error)?
     };
     emit_game_creator_manifest_invalidated(&state.root, "direct-background-removal");
     bridge_completed_resource_result(&state.root, "background-removal", "derive", completed)